#include <stdio.h>

#include "ast.h"
#include "lex-pattern.h"
#include "parse-pattern.h"

int main(int argc, char **argv)
{
	if (argc >= 2) {
		yyin = fmemopen(argv[1], strlen(argv[1]), "r");
	} else {
		yyin = stdin;
	}

	if (!yyparse()) {
		simplify(ast);
		print_regex(ast);
	}

	fclose(yyin);
	return 0;
}